EP3642611C0 - Transducteur à ultrasons microfabriqué ayant des cellules individuelles comportant des sections d'électrode électriquement isolées - Google Patents

Transducteur à ultrasons microfabriqué ayant des cellules individuelles comportant des sections d'électrode électriquement isolées

Info

Publication number
EP3642611C0
EP3642611C0 EP18819691.9A EP18819691A EP3642611C0 EP 3642611 C0 EP3642611 C0 EP 3642611C0 EP 18819691 A EP18819691 A EP 18819691A EP 3642611 C0 EP3642611 C0 EP 3642611C0
Authority
EP
European Patent Office
Prior art keywords
ultrasonic transducer
electrically isolated
individual cells
electrode sections
isolated electrode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP18819691.9A
Other languages
German (de)
English (en)
Other versions
EP3642611A1 (fr
EP3642611A4 (fr
EP3642611B1 (fr
Inventor
Susan A Alie
Keith G Fife
Joseph Lutsky
David Grosjean
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Butterfly Network Inc
Original Assignee
Butterfly Network Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Butterfly Network Inc filed Critical Butterfly Network Inc
Publication of EP3642611A1 publication Critical patent/EP3642611A1/fr
Publication of EP3642611A4 publication Critical patent/EP3642611A4/fr
Application granted granted Critical
Publication of EP3642611B1 publication Critical patent/EP3642611B1/fr
Publication of EP3642611C0 publication Critical patent/EP3642611C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B06GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06BMETHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/0292Electrostatic transducers, e.g. electret-type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B3/00Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
    • B81B3/0018Structures acting upon the moving or flexible element for transforming energy into mechanical movement or vice versa, i.e. actuators, sensors, generators
    • B81B3/0021Transducers for transforming electrical into mechanical energy or vice versa
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B3/00Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
    • B81B3/0064Constitution or structural means for improving or controlling the physical properties of a device
    • B81B3/0067Mechanical properties
    • B81B3/0078Constitution or structural means for improving mechanical properties not provided for in B81B3/007 - B81B3/0075
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81CPROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00015Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
    • B81C1/00222Integrating an electronic processing unit with a micromechanical structure
    • B81C1/00238Joining a substrate with an electronic processing unit and a substrate with a micromechanical structure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81CPROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C1/00Manufacture or treatment of devices or systems in or on a substrate
    • B81C1/00015Manufacture or treatment of devices or systems in or on a substrate for manufacturing microsystems
    • B81C1/00222Integrating an electronic processing unit with a micromechanical structure
    • B81C1/00246Monolithic integration, i.e. micromechanical structure and electronic processing unit are integrated on the same substrate
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/225Supports, positioning or alignment in moving situation
    • G01N29/226Handheld or portable devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/22Details, e.g. general constructional or apparatus details
    • G01N29/24Probes
    • G01N29/2406Electrostatic or capacitive probes, e.g. electret or cMUT-probes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2201/00Specific applications of microelectromechanical systems
    • B81B2201/02Sensors
    • B81B2201/0271Resonators; ultrasonic resonators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2203/00Basic microelectromechanical structures
    • B81B2203/01Suspended structures, i.e. structures allowing a movement
    • B81B2203/0127Diaphragms, i.e. structures separating two media that can control the passage from one medium to another; Membranes, i.e. diaphragms with filtering function
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2203/00Basic microelectromechanical structures
    • B81B2203/03Static structures
    • B81B2203/0315Cavities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2203/00Basic microelectromechanical structures
    • B81B2203/04Electrodes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
    • B81B2207/00Microstructural systems or auxiliary parts thereof
    • B81B2207/01Microstructural systems or auxiliary parts thereof comprising a micromechanical device connected to control or processing electronics, i.e. Smart-MEMS
    • B81B2207/015Microstructural systems or auxiliary parts thereof comprising a micromechanical device connected to control or processing electronics, i.e. Smart-MEMS the micromechanical device and the control or processing electronics being integrated on the same substrate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81CPROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C2203/00Forming microstructural systems
    • B81C2203/03Bonding two components
    • B81C2203/033Thermal bonding
    • B81C2203/035Soldering
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81CPROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C2203/00Forming microstructural systems
    • B81C2203/03Bonding two components
    • B81C2203/033Thermal bonding
    • B81C2203/036Fusion bonding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81CPROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C2203/00Forming microstructural systems
    • B81C2203/07Integrating an electronic processing unit with a micromechanical structure
    • B81C2203/0707Monolithic integration, i.e. the electronic processing unit is formed on or in the same substrate as the micromechanical structure
    • B81C2203/0728Pre-CMOS, i.e. forming the micromechanical structure before the CMOS circuit
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B81MICROSTRUCTURAL TECHNOLOGY
    • B81CPROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
    • B81C2203/00Forming microstructural systems
    • B81C2203/07Integrating an electronic processing unit with a micromechanical structure
    • B81C2203/0785Transfer and j oin technology, i.e. forming the electronic processing unit and the micromechanical structure on separate substrates and joining the substrates
    • B81C2203/0792Forming interconnections between the electronic processing unit and the micromechanical structure
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00Indexing codes associated with group G01N29/00
    • G01N2291/10Number of transducers
    • G01N2291/106Number of transducers one or more transducer arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Micromachines (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
EP18819691.9A 2017-06-21 2018-06-20 Transducteur à ultrasons microfabriqué ayant des cellules individuelles comportant des sections d'électrode électriquement isolées Active EP3642611B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201762522875P 2017-06-21 2017-06-21
PCT/US2018/038429 WO2018236956A1 (fr) 2017-06-21 2018-06-20 Transducteur à ultrasons microfabriqué ayant des cellules individuelles comportant des sections d'électrode électriquement isolées

Publications (4)

Publication Number Publication Date
EP3642611A1 EP3642611A1 (fr) 2020-04-29
EP3642611A4 EP3642611A4 (fr) 2021-03-17
EP3642611B1 EP3642611B1 (fr) 2024-02-14
EP3642611C0 true EP3642611C0 (fr) 2024-02-14

Family

ID=64691751

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18819691.9A Active EP3642611B1 (fr) 2017-06-21 2018-06-20 Transducteur à ultrasons microfabriqué ayant des cellules individuelles comportant des sections d'électrode électriquement isolées

Country Status (6)

Country Link
US (4) US10512936B2 (fr)
EP (1) EP3642611B1 (fr)
AU (1) AU2018289454A1 (fr)
CA (1) CA3064088A1 (fr)
TW (1) TW201908021A (fr)
WO (1) WO2018236956A1 (fr)

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WO2017222969A1 (fr) * 2016-06-20 2017-12-28 Butterfly Network, Inc. Agencement de contacts électriques pour transducteur ultrasonore microfabriqué
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FR3076292B1 (fr) * 2017-12-28 2020-01-03 Commissariat A L'energie Atomique Et Aux Energies Alternatives Procede de transfert d'une couche utile sur un substrat support
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CN117334674A (zh) * 2020-05-12 2024-01-02 联华电子股份有限公司 芯片键合应力的测量方法及芯片键合辅助结构
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US10967400B2 (en) 2021-04-06
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US20200070206A1 (en) 2020-03-05
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US20190160490A1 (en) 2019-05-30
US20210291228A1 (en) 2021-09-23
US11559827B2 (en) 2023-01-24
US10525506B2 (en) 2020-01-07
US20180369862A1 (en) 2018-12-27

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